package com.huan.interceptors;

import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@Component //普通组件
public class SecondInterceptor implements HandlerInterceptor {
    //控制器方法之前
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        System.out.println("SecondInterceptor-->preHandle");
        //返回false表示拦截，否则放行
        return true;
//        return HandlerInterceptor.super.preHandle(request, response, handler);
    }

    //控制器方法之后
    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
        System.out.println("SecondInterceptor-->postHandle");

//        HandlerInterceptor.super.postHandle(request, response, handler, modelAndView);
    }

    //视图渲染之后
    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        System.out.println("SecondInterceptor-->afterCompletion");

        HandlerInterceptor.super.afterCompletion(request, response, handler, ex);
    }
}
